line one's pockets vs profit

line one's pockets is not a noun while profit is a noun.

Word	Noun	Adjective	Verb	Adverb
line one's pockets	No	No	Yes	No
profit	Yes	No	Yes	No

As verbs, profit is a hypernym of line one's pockets; that is, profit is a word with a broader meaning than line one's pockets:

Other hypernyms of line one's pockets include turn a profit.

line one's pockets (noun)	profit (noun)
	the advantageous quality of being beneficial
	the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses)

line one's pockets (verb)	profit (verb)
make a lot of money	make a profit; gain money or materially
	derive a benefit from